<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<div style="width: 100px;height: 100px;">独占一行</div>
		<span style="width: 100px;height: 100px;">共用一行</span> <!-- 宽度和高度无效 -->
		<span>共用一行</span>
		<span>共用一行</span>
	</body>
</html>
